Global warming portends disaster for much of the multibillion-dollar us wine industry; areas suitable for growing premium wine grapes could be reduced by 50 per cent -- and possibly as much as 81 per cent -- by the end of this century, says a study published in the Proceedings of the National Academy of Sciences, recently. The paper indicates increasing weather problems for grapes, particularly an increase in the frequency of extremely hot days, in areas such as California's Nepa and Sonoma valleys. Climate change may shift production of the best wines from places like Napa Valley to vineyards in the Pacific northwest and New England, locations traditionally considered too cool for production, says the study.
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